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* NEWS: Mention protected payloads.
* libports/Makefile (SRCS): Add `port-deref-deferred.c'.
* libports/create-internal.c (_ports_create_port_internal): Set the
protected payload to the objects address.
* libports/import-port.c (ports_import_port): Likewise.
* libports/reallocate-from-external.c (ports_reallocate_from_external):
Likewise.
* libports/reallocate-port.c (ports_reallocate_port): Likewise.
* libports/transfer-right.c (ports_transfer_right): Likewise.
* libports/manage-multithread.c (ports_manage_port_operations_multithread):
Use the protected payload for the object lookup if provided. Add
thread pool management calls.
* libports/manage-one-thread.c (ports_manage_port_operations_one_thread):
Likewise.
* libports/destroy-right.c (ports_destroy_right): Defer the
dereferencing of outstanding send rights to avoid a port_info
use-after-free.
* libports/port-deref-deferred.c: New file.
* libports/port-deref-deferred.h: Likewise.
* libports/ports.h (struct port_bucket): New field `threadpool'.
(ports_lookup_payload): Check `port_right'.
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Some servers use ports_manage_port_operations_one_thread to process
requests and terminate when it returns. Since many of them don't detach
before shutting down, a client may receive an error if its request
arrived while the server is shutting down. Prevent those spurious errors
by forcing ports_manage_port_operations_one_thread not to return.
This is the same change as 235491231bdd1fd93507c835767503f047e10b91
introduced for ports_manage_port_operations_multithread.
* libports/manage-one-thread.c
(ports_manage_port_operations_one_thread): Force timeout to 0.
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* Fix spelling with codespell[1] and manually review it.
[1] http://git.profusion.mobi/cgit.cgi/lucas/codespell/
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statuses and errors rather than just zero.
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before doing work; we might return 0 and mach_msg_server expects us to
fill in a reply decently no matter what.
(ports_manage_port_operations_multithread): Likewise.
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Pass INP->msgh_id to ports_begin_rpc, and only call DEMUXER if it returns 0.
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attempt RPC if we can't get a valid port struct.
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